Lutetium

General:

Name:Lutetium Symbol:Lu
Type:Rare Earth, Lanthanides Atomic weight:174.96
Density @ 293 K:9.85 g/cm3 Atomic volume:17.78 cm3/mol
Discovered:

1907

States

State (s, l, g):solid
Melting point:1929.2 K Boiling point:3600 K

Energies

Specific heat capacity:0.15 J/gK Heat of atomization:kJ/mole atoms
Heat of fusion:18.60 kJ/mol Heat of vaporization :355.90 kJ/mol
1st ionization energy:523.6 kJ/mole 2nd ionization energy:1340 kJ/mole
3rd ionization energy:2022 kJ/mole Electron affinity:50 kJ/mole

Oxidation & Electrons

Shells:2,8,18,32,9,2 Electron configuration:[Xe] 4f14 5d1 6s2
Minimum oxidation number:0 Maximum oxidation number:3
Min. common oxidation no.:0 Max. common oxidation no.:3
Electronegativity (Pauling Scale): 1.27 Polarizability volume:21.9 Å3

Appearance & Characteristics

Structure:hcp: hexagonal close pkd Color:silvery-white
Hardness: mohs
Harmful effects:

 

Characteristics:

 


Uses:

alloys

Reactions

Reaction with air:vigorous, => Lu2O3 Reaction with 6 M HCl:mild, => H2, LuCl3
Reaction with 15 M HNO3:mild, => Lu(NO3)3 Reaction with 6 M NaOH:

Compounds

Oxide(s):Lu2O3 Chloride(s):LuCl3
Hydride(s):LuH2 LuH3

Radius

Atomic radius:174 pm Ionic radius (1+ ion):pm
Ionic radius (2+ ion):pm Ionic radius (3+ ion):100.1 pm
Ionic radius (2- ion):pm Ionic radius (1- ion):pm

Conductivity

Thermal conductivity:16.4 J/m-sec-deg Electrical conductivity:16.7 1/mohm-cm

Abundance & Isotopes

Abundance earth's crust:-0.3 log
Abundance solar system:-1.435 log
Cost, pure:$16700 per 100g
Cost, bulk:$ per 100g
Source:

Monazite(phosphate),bastnaesite

Isotopes:

2

Other

Other: